HOMEPowerUPS AccessoriesAdvance Communication Board, 1input/5outputs (compatible option with ITYS and Netys-PR-1U) Socomec 9-11421 Advance Communication Board, 1input/5outputs (compatible option with ITYS and Netys-PR-1U) SKU #9-11421 Oh oh! That product is no longer available... Check out these alternatives VIEW ALL UPS Accessories